How do you evaluate #15- 2^ { 3} + 3#?

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Answer 1 · 2016-12-22T13:49:46

The Value Is #10#.

Always take care of parenthesis or exponents first. Simplify #2^3#. See below:

#2^3=8#

Insert #8# back into the problem. See below:

#15-8+3=?#

Now we can simply combine all of this together to get our final answer.

#15-8=7#

#7+3=10#

According to PEMDAS (any other way that works for you is fine as well), we always do these steps IN ORDER:

Answer: #10#.